Sibster

A non-binary sibling. Historically your sister.

“I asked Jordan if I should say ‘sibling’ or ‘sister’ in reference to them. They said they like the term ‘sibster.’”

“My sibster Alex drew this! They are such a good artist.”

by gnattatat October 9, 2019

Sibster

Gender neutral term to refer to a sibling. Often used as a replacement for sister/brother.

This is my sibster Kai, they are really good at smash Bros.

by Death_is_inevitable December 2, 2021

sibster

A sibster is a person who acts like everyone's sister. A sibster has lots of friends and pals, because they are very friendly. A sibster is like a sister but is of no blood relation.

"Nat's my sibster, ya know?"

by verydifferentname July 14, 2006

sibster

a sibling who is a sister

I have three wonderful sibsters.

by Qith March 28, 2009